Toshiba 16GB MicroSD with STD Adapter... Works with SDHC-compatible devices such as mobile phones digital cameras and camcorders; Includes microSD to SD adapter to easily transfer music photos and files between the microSD card and other devices using a standard SD or SDHC card; High-Speed Class Rating: Class 4: 4 MB/sec minimum data transfer rate; Built-in write-protect switch prevents accidental data overwrites (on included SD adapter); Plug and Play with no software to install.